We had Rehau tilt turn windows put in by the Gilkey Window Company of Cincinnati, Ohio in 2009. When the outside temp. drops, say below 35 F, the bottom of each window gets very cold. So cold that we get icy cold condensate, or even ice, on some of the window frames bottoms. Gilkey came out and adjusted the windows twice but the service calls didn't do any good. Gilkey indicated that the windows were installed correctly. Is this normal? What could be causing the issue?

I have installed a bunch of Rehau tilt n turns and never had an issue with leaking or condensation. WoW, that is the same window as from Advanced. Have you had any issues with them?

I would be inclined to look at what 'Windows on Washington' is thinking about... air leakage because of out of square opening. Also check to see that the weatherstripping is all there and that it meets at the corners properly.

I have installed a bunch of Rehau tilt n turns and never had an issue with leaking or condensation. WoW, that is the same window as from Advanced. Have you had any issues with them?

I would be inclined to look at what 'Windows on Washington' is thinking about... air leakage because of out of square opening. Also check to see that the weatherstripping is all there and that it meets at the corners properly.

Never had and issue with them in the least. Very solidly built window in my dealings.

Looks like you got some good replies here. These are actually very high performing windows that meet the most stringent energy codes when properly installed.

Other things for you to investigate:

Is there air coming in between the frame and the sash or between frame and building structure? A simple test to determine this -- take a lit candle and go around the perimeter of the window when the wind is blowing outside. You will be able to identify if air is coming in by watching the candle flame.

Is the sash seal on the inside continuous all around the perimeter?How much of a compression is achieved on the seal between the frame and the sash? Distance between sash and frame should measure between 3.5mm to 4.5mm.

How much of an overlap does the sash have over the frame? Should be 8mm +/- 2mm.How many locking points are on the window and do they all engage properly, when the handle is turned into the closed position.

Or - Is there cold coming in between the window and the building structure? How is the gap sealed on the inside between the window frame and the buiding?

What insulation has been used to insulate the gap between frame and building structure?

Just found out that we do not have Rehau windows. Rehau rep. came to our house to check the windows. While our contract with Gilkey Window called for Rehau windows, Gilkey installed another brand of window.

Thanks to Rehau for sending someone out to our house. At least we are on a path to getting the issue resolved.

Just found out that we do not have Rehau windows. Rehau rep. came to our house to check the windows. While our contract with Gilkey Window called for Rehau windows, Gilkey installed another brand of window.

Thanks to Rehau for sending someone out to our house. At least we are on a path to getting the issue resolved.

Just found out that we do not have Rehau windows. Rehau rep. came to our house to check the windows. While our contract with Gilkey Window called for Rehau windows, Gilkey installed another brand of window.

Thanks to Rehau for sending someone out to our house. At least we are on a path to getting the issue resolved.

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